TAEJIN SON is a member of 'Forte di Quattro' which is a winner of 2016 JTBC <Phantom Singer>. <Phantom Singer> is a television show that picks a quartet of male. TAEJIN fascinated the public by grave low tone. He also paticipated in a digital single 'Last Moment'(from [Monthly Yoon Jong Shin] 2017 March) and showed impressive charm as a vocalist. He will perfome not only personal activities but also group 'Forte di Quattro' activities.